126047438613 has 12 divisors (see below), whose sum is σ = 182154068460. Its totient is φ = 83992142976.

The previous prime is 126047438597. The next prime is 126047438653. The reversal of 126047438613 is 316834740621.

126047438613 is a `hidden beast` number, since 1 + 2 + 604 + 7 + 4 + 38 + 6 + 1 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 86469519249 + 39577919364 = 294057^2 + 198942^2 .

It is not a de Polignac number, because 126047438613 - 2⁴ = 126047438597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126047438653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3270006 + ... + 3308327.

It is an arithmetic number, because the mean of its divisors is an integer number (15179505705).

Almost surely, 2^126047438613 is an apocalyptic number.

It is an amenable number.

126047438613 is a deficient number, since it is larger than the sum of its proper divisors (56106629847).

126047438613 is a wasteful number, since it uses less digits than its factorization.

126047438613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6580468 (or 6580465 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 126047438613 in words is "one hundred twenty-six billion, forty-seven million, four hundred thirty-eight thousand, six hundred thirteen".